/*************************************************************************
	> File Name: main.cpp
	> Author: 
	> Mail: 
	> Created Time: Wed 23 Sep 2020 11:12:29 PM CST
 ************************************************************************/

#include<iostream>
#include "add.h"
#include "sub.h"
using namespace std;


int main(){
    cout << "1+2=" << add(1, 2) << endl;
    cout << "1-2=" << sub(1, 2) << endl;
    return 0;
}
